Dell Alienware 17 R2 (Early 2015) - Manual (Page 3)

1 Power-adapter port
Connect a power adapter to provide power to your
computer and charge the battery.
2 Security-cable slot
Connect a security cable to prevent unauthorized
movement of your computer.
3 USB 3.0 port with PowerShare
Connect peripherals such as storage devices, printers, and
so on. Provides data transfer speeds up to 5 Gbps.
PowerShare allows you to charge your USB devices even
when your computer is turned off.
NOTE: If the charge on your battery is less than 10%,
then you must connect the power adapter to charge
the devices connected to PowerShare port.
NOTE: If a USB device is connected to the
PowerShare port before the computer is powered
off or in Hibernate state, you must disconnect and
connect it again to enable charging.
4 USB 3.0 port
Connect peripherals such as storage devices, printers, and
so on. Provides data transfer speeds up to 5 Gbps.
5 Microphone/Headphone port
Connect an external microphone to provide sound input
or a headphone to provide sound output.
6 Headset port
Connect a headphone, a microphone, or a headphone and
microphone combo (headset).
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